diff --git a/src/setMongodb.ts b/src/setMongodb.ts
index ec7356a..7860f9c 100644
--- a/src/setMongodb.ts
+++ b/src/setMongodb.ts
@@ -93,6 +93,9 @@ const indexs: Partial<{ [k in keyof MongodbCollections]: IndexDescription[] }> =
         },
         {
             key: {uid: 1}
+        },
+        {
+            key: {type: 1}
         }
     ],
     pata: [